4438949 has 2 divisors, whose sum is σ = 4438950. Its totient is φ = 4438948.

The previous prime is 4438939. The next prime is 4438961. The reversal of 4438949 is 9498344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4264225 + 174724 = 2065^2 + 418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4438949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4438919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2219474 + 2219475.

It is an arithmetic number, because the mean of its divisors is an integer number (2219475).

Almost surely, 2^4438949 is an apocalyptic number.

It is an amenable number.

4438949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4438949 is an equidigital number, since it uses as much as digits as its factorization.

4438949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 4438949 is about 2106.8813445470. The cubic root of 4438949 is about 164.3463456825.

The spelling of 4438949 in words is "four million, four hundred thirty-eight thousand, nine hundred forty-nine".